C-12-Q024mediumsingle_mcqIn parallelogram OACB, if OA⃗=u⃗\vec{OA}=\vec{u}OA=u and OB⃗=v⃗\vec{OB}=\vec{v}OB=v, then OC⃗=\vec{OC}=OC=au⃗−v⃗\vec{u}-\vec{v}u−vbu⃗+v⃗\vec{u}+\vec{v}u+vcv⃗−u⃗\vec{v}-\vec{u}v−ud−u⃗−v⃗-\vec{u}-\vec{v}−u−v